package com.efounder.mobilecomps.contacts;

import net.sourceforge.pinyin4j.PinyinHelper;
import net.sourceforge.pinyin4j.format.HanyuPinyinOutputFormat;
import net.sourceforge.pinyin4j.format.HanyuPinyinToneType;
import net.sourceforge.pinyin4j.format.exception.BadHanyuPinyinOutputFormatCombination;

public class HanyuParser {

	private HanyuPinyinOutputFormat format = null;

	private String[] pinyin;

	public HanyuParser() {
		format = new HanyuPinyinOutputFormat();
		format.setToneType(HanyuPinyinToneType.WITHOUT_TONE);
		pinyin = null;
	}

	/**
	 * 转换单个字符
	 * @param c
	 * @return
	 */
	public String getCharacterPinYin(char c) {
		try {
			pinyin = PinyinHelper.toHanyuPinyinStringArray(c, format);
		} catch (Exception e) {
			e.printStackTrace();
		}
		// 如果c不是汉字，toHanyuPinyinStringArray会返回null
		if (pinyin == null)
			return null;
		// 只取一个发音，如果是多音字，仅取第一个发音
		return pinyin[0];
	}

	/**
	 * 将中文字符串转换成汉语拼音字符串
	 * @param str
	 * @return
	 */
	public String getStringPinYin(String str) {
		StringBuilder sb = new StringBuilder();
		String tempPinyin = null;
		// TODO: 18-3-21
		if (str == null) {
			str = " ";
		}
		for (int i = 0; i < str.length(); ++i) {
			tempPinyin = getCharacterPinYin(str.charAt(i));
			if (tempPinyin == null) {
				// 如果str.charAt(i)非汉字，则保持原样
				sb.append(str.charAt(i));
			} else {
				sb.append(tempPinyin);
			}
		}
		return sb.toString();
	}
}